Fluid delivery system for supplying fluid to a machine assembly

Abstract

A fluid delivery system for supplying fluid to a machine assembly includes: a pump module; a drive for the pump module; and a housing which includes a reservoir for the fluid. The reservoir includes an aspiration point, and the pump module includes a first inlet, a second inlet, a first outlet and a second outlet. The first inlet is fluidically connected to the reservoir via a first suction conduit, and the first outlet is fluidically connected to the machine assembly via a first pressure conduit. The second inlet is fluidically connected to the housing via a second suction conduit, and the second outlet is fluidically connected to the reservoir via a second pressure conduit.

1 .- 15 . (canceled) 
     
     
         16 . A fluid delivery system for supplying fluid to at least one machine assembly comprises:
 a. a pump module for delivering the fluid;   b. a drive for driving the pump module; and   c. a housing which comprises a reservoir for storing the fluid,   d. wherein the reservoir comprises at least one aspiration point, and   e. the pump module comprises a first inlet, a second inlet, a first outlet and a second outlet, and   f. wherein the first inlet is fluidically connected to the reservoir via a first suction conduit, and the first outlet is fluidically connected to the machine assembly via a first pressure conduit, and   g. the second inlet is fluidically connected to the housing via a second suction conduit, and the second outlet is fluidically connected to the reservoir via a second pressure conduit.   
     
     
         17 . The fluid delivery system according to  claim 16 , wherein the pump module comprises a first working flux, which extends from the first inlet up to the first outlet, and a second working flux which extends from the second inlet up to the second outlet, and wherein the first working flux and the second working flux are fluidically separated from each other. 
     
     
         18 . The fluid delivery system according to  claim 16 , wherein the housing comprises a first housing part and a second housing part, and the first suction conduit is a conduit which is completely or partially formed separately from the first housing part and the second housing part. 
     
     
         19 . The fluid delivery system according to  claim 16 , wherein the reservoir comprises a main sump and a secondary sump, and the first suction conduit emerges into the main sump via the aspiration point, and the second pressure conduit emerges into the main sump. 
     
     
         20 . The fluid delivery system according to  claim 16 , wherein an upstream end of the second suction conduit emerges into the housing at a distance from a downstream end of the second pressure conduit. 
     
     
         21 . The fluid delivery system according to  claim 16 , wherein the reservoir comprises a main sump and a secondary sump, and the first suction conduit emerges into the main sump via the aspiration point, and the second pressure conduit emerges into the main sump, wherein an upstream end of the second suction conduit emerges into the housing away from the main sump and/or secondary sump. 
     
     
         22 . The fluid delivery system according to  claim 16 , wherein the pump module comprises a first pump and a second pump, and wherein the first pump suctions the fluid via the first inlet and discharges it via the first outlet and the second pump suctions the fluid via the second inlet and discharges it via the second outlet. 
     
     
         23 . The fluid delivery system according to  claim 22 , wherein the first pump and/or the second pump is/are formed by a rotary pump, and a rotor of the first pump and a rotor of the second pump are connected to each other via the drive. 
     
     
         24 . The fluid delivery system according to  claim 16 , wherein the drive comprises an electric motor. 
     
     
         25 . The fluid delivery system according to  claim 16 , wherein the pump module and the drive comprise a common pump housing which is formed separately from the housing, and the common pump housing is connected to the housing. 
     
     
         26 . The fluid delivery system according to  claim 16 , wherein the fluid delivery system comprises at least one filter module comprising a filter, and the filter module is embodied downstream of the first outlet. 
     
     
         27 . The fluid delivery system according to  claim 16 , wherein the fluid delivery system comprises at least one heat exchanger, and the heat exchanger is embodied on or in the housing. 
     
     
         28 . The fluid delivery system according to  claim 27 , wherein the heat exchanger is embodied downstream of the first outlet. 
     
     
         29 . The fluid delivery system according to  claim 16 , wherein the housing comprises at least a first return opening, via which the fluid can flow back from the machine assembly into the reservoir, and a second return opening via which the fluid can flow back from the machine assembly or another machine assembly into the housing, and wherein the first return opening and/or the second return opening comprise(s) a screen on its/their side which faces the machine assembly. 
     
     
         30 . The fluid delivery system according to  claim 29 , wherein the upstream end of the second suction conduit emerges into the housing on the side of the second return opening which faces away from the machine assembly. 
     
     
         31 . The fluid delivery system according to  claim 16 , wherein the at least one machine assembly is an engine and/or transmission of a motor vehicle. 
     
     
         32 . The fluid delivery system according to  claim 18 , wherein the first housing part is a housing cup and/or the second housing part is a housing cover. 
     
     
         33 . The fluid delivery system according to  claim 23 , wherein the rotary pump is an internal gear pump. 
     
     
         34 . The fluid delivery system according to  claim 23 , wherein the rotor of the first pump and a rotor of the second pump are connected to each other via a drive shaft of the drive. 
     
     
         35 . The fluid delivery system according to  claim 25 , wherein the common pump housing is screwed to the housing.